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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.1973.tde-20240301-154444
Document
Author
Full name
Sergio Monteiro Curi
Institute/School/College
Date of Defense
Published
Piracicaba, 1972
Supervisor
Title in Portuguese
Contribuição ao estudo quantitativo de respostas do tomateiro à presença de nematoides do genero Meloidogyne
Keywords in Portuguese
MELOIDOGYNEANÁLISE QUANTITATIVA
NEMATOIDES PARASITOS DE PLANTAS
TOMATE
Abstract in Portuguese
Este trabalho versa sobre um estudo quantitativo de respostas no crescimento em altura e em perímetro de caule do tomateiro, Lycopersicum esculentum Mill, variedade Santa Cruz Gigante Kobayashi, em presença de diferentes níveis de inóculo constituído por uma mistura dos nematoides Meloidogyne incognita e M. arenaria. Sob condições de telado e com razoável minimização de outros fatores que poderiam influir na expressão de respostas de tomateiros ao parasitismo por populações mistas dos referidos nematoides, foram obtidos dados quantitativos relativos ao crescimento vertical e perimetral do caule. Um nível de 10 g de raízes picadas contendo ootecas, induziu a significantes reduções no desenvolvimento vertical e perimetral do caule. O nível de 1 g de inóculo, não afetou significantemente o desenvolvimento vegetativo do tomateiro, expresso em crescimento vertical e do perímetro.
Abstract in English
This work represents a quantitative study on responses in stem and diameter growth of tomatoes, Lycopersicum esculentum Mill., variety Santa Cruz Gigante Kobayashi, caused by different inoculum levels of a mixture of nematodes, namely Meloidogyne incognita and M. arenaria. This study was carried out in a screen-house. There was a strong effort to minimize other sources of variations, which could interfere on responses of tomato plants to infection by root-knot nematodes. Low inoculum level did not cause significant depression effects. High and medium inoculum levels caused depression on stem heights and stem diameters.
 
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Publishing Date
2024-03-14
 
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